Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 80.4°F (26.9°C) in August to an agreeable 73.2°F (22.9°C). In September, the temperature drops to an average of 55.4°F (13°C) at night.Humidity
In Middlebury, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall in Middlebury is September, when the rain falls for 13.2 days and typically collects 2.13" (54mm) of precipitation.Snowfall
In Middlebury, snow does not fall in June through September.Daylight
In Middlebury, Connecticut, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:19 am and sunset at 7:25 pm. On the last day of September, in Middlebury, sunrise is at 6:49 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
In Middlebury, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Middlebury in September?
What is the average humidity in September in Middlebury?
What is the driest month in Middlebury?
How much does it rain in Middlebury in September?
When it does not snow in Middlebury?
Does it snow in Middlebury in September?
How many hours of daylight does Middlebury have in September?
When are sunrise and sunset in September in Middlebury?
How long on average sun shines in September in Middlebury?
What is the UV index intensity in September in Middlebury?
Average temperature in September
Middlebury, CT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in September
Middlebury, CT
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Middlebury, CT
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Middlebury, CT
- Average humidity in September: 78%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Middlebury, CT
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in September
Middlebury, CT
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Middlebury, CT
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Middlebury, CT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Middlebury, CT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Middlebury, CT
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Middlebury, CT
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Middlebury, CT
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Middlebury, CT
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, October, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August and September (5mi).
Middlebury, Connecticut, USA
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